WO2017047493A1 - Structure de conduit de dégivreur pour véhicule - Google Patents

Structure de conduit de dégivreur pour véhicule Download PDF

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Publication number
WO2017047493A1
WO2017047493A1 PCT/JP2016/076444 JP2016076444W WO2017047493A1 WO 2017047493 A1 WO2017047493 A1 WO 2017047493A1 JP 2016076444 W JP2016076444 W JP 2016076444W WO 2017047493 A1 WO2017047493 A1 WO 2017047493A1
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WO
WIPO (PCT)
Prior art keywords
vehicle
differential
guide surface
differential duct
duct
Prior art date
Application number
PCT/JP2016/076444
Other languages
English (en)
Japanese (ja)
Inventor
正宏 佐野
Original Assignee
カルソニックカンセイ株式会社
Priority date (The priority date is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the date listed.)
Filing date
Publication date
Application filed by カルソニックカンセイ株式会社 filed Critical カルソニックカンセイ株式会社
Priority to US15/756,915 priority Critical patent/US20180251012A1/en
Publication of WO2017047493A1 publication Critical patent/WO2017047493A1/fr

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Classifications

    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B60—VEHICLES IN GENERAL
    • B60H—ARRANGEMENTS OF HEATING, COOLING, VENTILATING OR OTHER AIR-TREATING DEVICES SPECIALLY ADAPTED FOR PASSENGER OR GOODS SPACES OF VEHICLES
    • B60H1/00—Heating, cooling or ventilating [HVAC] devices
    • B60H1/24—Devices purely for ventilating or where the heating or cooling is irrelevant
    • B60H1/241—Devices purely for ventilating or where the heating or cooling is irrelevant characterised by the location of ventilation devices in the vehicle
    • B60H1/242—Devices purely for ventilating or where the heating or cooling is irrelevant characterised by the location of ventilation devices in the vehicle located in the front area
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B60—VEHICLES IN GENERAL
    • B60H—ARRANGEMENTS OF HEATING, COOLING, VENTILATING OR OTHER AIR-TREATING DEVICES SPECIALLY ADAPTED FOR PASSENGER OR GOODS SPACES OF VEHICLES
    • B60H1/00—Heating, cooling or ventilating [HVAC] devices
    • B60H1/00507—Details, e.g. mounting arrangements, desaeration devices
    • B60H1/00557—Details of ducts or cables
    • B60H1/00564—Details of ducts or cables of air ducts
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B60—VEHICLES IN GENERAL
    • B60H—ARRANGEMENTS OF HEATING, COOLING, VENTILATING OR OTHER AIR-TREATING DEVICES SPECIALLY ADAPTED FOR PASSENGER OR GOODS SPACES OF VEHICLES
    • B60H1/00—Heating, cooling or ventilating [HVAC] devices
    • B60H1/34—Nozzles; Air-diffusers
    • B60H1/3407—Nozzles; Air-diffusers providing an air stream in a fixed direction, e.g. using a grid or porous panel

Definitions

  • This case relates to a vehicle differential duct structure that guides the conditioned air from the air conditioning unit to the differential outlet.
  • a defroster duct (hereinafter simply referred to as a diff duct) is provided at the air outlet of the conditioned air in order to obtain high sunny performance (fogging removal performance). It is necessary to design a large opening width. However, since a vehicle with a head-up display cannot have a sufficient opening width, air conditioning can be achieved by installing a partition plate or a blower plate inside the differential duct in order to obtain high sunny performance.
  • the wind distribution range has been expanded (for example, Patent Document 1).
  • the present case has been made in view of such problems, and even when the opening width of the outlet of the differential duct is small, the vehicle differential duct structure having high sunny performance without increasing noise and increasing costs. Is intended to provide.
  • the vehicle differential duct structure is It has a differential duct that is connected to an air conditioning unit that generates conditioned air and guides the conditioned air from the air conditioning unit to a differential outlet.
  • the differential duct is a left differential duct that is curved from the left-right center line of the vehicle toward the left side in the vehicle width direction of the front window;
  • a right differential duct that is curved from the left and right center line toward the right side in the vehicle width direction of the front window,
  • a first guide surface that guides the conditioned air to the lower outer side in the vehicle width direction of the front window along a curved shape on an inner wall surface on the left-right centerline side of at least one of the left differential duct and the right differential duct, and the conditioned air
  • the second guide surface leading to the center upper portion of the front window is provided so as to be shifted in the longitudinal direction of the vehicle.
  • the vehicle differential duct structure according to the present invention because of the above configuration, it is formed on the inner wall surface on the left and right center line side of the vehicle, shifted in the front-rear direction, of at least one of the left differential duct and the right differential duct.
  • the conditioned air blown from the first guide surface is distributed to the lower part of the front window in the vehicle width direction, and the conditioned air blown from the second guide surface is distributed to the center upper part of the front window. Therefore, even when the width of the differential outlet is small in the vehicle width direction, high sunny performance can be obtained from the left and right outer lower portions of the front window to the center upper portion of the front window.
  • FIG. 1 It is a functional block diagram which shows the function structure of the vehicle air conditioner which concerns on Example 1 which is one embodiment of this case. It is a perspective view which shows the external appearance of the differential duct shown in FIG. It is the perspective view which looked at the differential duct from the back side of Drawing 2A. It is the figure which looked at the mounting state to the vehicle of the differential duct shown to FIG. 2A from the instrument panel upper surface side. It is the figure which looked at the mounting state to the vehicle of the differential duct shown to FIG. 2A from the instrument panel side surface side. It is a figure explaining the subject in designing the differential duct in Example 1. FIG. It is a figure explaining the effect
  • FIG. 1 is a functional block diagram showing a functional configuration of a vehicle air conditioner 100 according to an embodiment of the present case.
  • the vehicle air conditioner 100 is installed in a vehicle 95 and includes a compressor 30 and an air conditioning unit 40.
  • the compressor 30 is driven by the engine 10 and pressurizes the refrigerant.
  • the air conditioning unit 40 is installed inside an instrument panel (not shown in FIG. 1), and controls the air conditioning state in the passenger compartment.
  • the air conditioning unit 40 includes an outside air inlet 41, an inside air inlet 42, an intake door 43, an intake door drive unit 44, a blower fan 45 (blower), a blower motor 46, and an evaporator 47 (heat for air cooling).
  • An evaporator as an exchange), a heater core 48 (a heat exchanger for air heating), an air mix door 49, and an air mix door drive unit 50 are provided.
  • the outside air inlet 41 introduces air outside the vehicle 95.
  • the inside air inlet 42 introduces air in the passenger compartment of the vehicle 95.
  • the intake door 43 is rotated by the intake door drive unit 44 to switch between the introduction of the inside air and the outside air, or change the mixing ratio of the inside air and the outside air.
  • the blower fan 45 is rotated by the blower motor 46 and blows the outside air and the inside air introduced from the intake door 43 or a mixture thereof into an air passage 58 provided in the air conditioning unit 40.
  • the evaporator 47 cools the air blown to the evaporator 47 when allowing the refrigerant pressurized by the compressor 30 to pass through and evaporating the refrigerant.
  • the heater core 48 circulates the cooling water sent from the engine 10 through a cooling water passage (not shown), and warms the air blown to the heater core 48.
  • the air mix door 49 is installed between the evaporator 47 and the heater core 48, the opening degree of the air mix door 49 is changed by the air mix door drive unit 50, and the cold air that has passed only the evaporator 47 and the evaporator 47.
  • the mixing ratio with the warm air that has passed through the heater core 48 is controlled.
  • a mixing chamber 59 is formed downstream of the heater core 48 in which the cool air that has passed through the evaporator 47 and the warm air that has passed through the heater core 48 are mixed.
  • the mixing chamber 59 is provided with a vent duct 52 that communicates with a vent grill (not shown) in the vehicle interior, a foot duct 53 that communicates with a foot grill (not shown), and a differential duct 54 that communicates with a defroster grill (not shown). ing.
  • a vent door 55 is installed in the vicinity of the outlet of the vent duct 52 and rotates from the fully open state to the fully closed state to adjust the amount of air blown from the vent duct 52.
  • a foot door 56 is installed in the vicinity of the air outlet of the foot duct 53 and rotates from the fully open state to the fully closed state to adjust the amount of air blown from the foot duct 53.
  • a defroster door 57 is installed in the vicinity of the outlet of the differential duct 54 and rotates from the fully open state to the fully closed state to adjust the amount of air blown from the differential duct 54.
  • the state of each part of the vehicle air conditioner 100 is controlled by the air conditioning control unit 68.
  • various sensors (not shown) for detecting the temperature environment inside and outside the vehicle 95, the driving state of the vehicle 95, and the like, and the occupant of the vehicle 95 set the air conditioning state of the passenger compartment by their own will.
  • An air-conditioning display unit 80 that visually displays the operating state of the air-conditioning operation unit 70 and the air-conditioning unit 40 and transmits it to the passengers of the vehicle 95 is connected.
  • FIG. 2A is a perspective view showing the appearance of the differential duct 54.
  • FIG. 2B is a perspective view showing the appearance of the differential duct 54 when FIG. 2A is viewed from the back side.
  • FIG. 3 is a view of a state where the differential duct 54 is mounted on the vehicle 95 as viewed from the upper surface side of the instrument panel 5.
  • 4 is a cross-sectional view of the left differential duct 54a as viewed from the left side of the vehicle 95.
  • the differential duct 54 includes a left differential duct 54a and a right differential duct 54b.
  • the differential duct 54 is installed such that the back side in FIG. 2A is the front side of the vehicle.
  • a left differential outlet 60a having an elongated rectangular opening surface through which air-conditioned air blows is formed at the tip (or upper end) of the left differential duct 54a.
  • the right side differential blower outlet 60b which has the elongate rectangular-shaped opening surface which an air-conditioning wind blows off is formed in the front-end
  • the left differential outlet 60a and the right differential outlet 60b together constitute a differential outlet 60.
  • the left differential duct 54a and the right differential duct 54b are curved so that the course of the conditioned air gradually spreads in the left-right direction of the vehicle toward the left differential outlet 60a and the right differential outlet 60b. Is formed.
  • the left differential duct 54a and the right differential duct 54b constituting the differential duct 54 are, as shown in FIG. Are arranged symmetrically. Then, the conditioned air that has passed through the left differential duct 54a is blown out from the left differential outlet 60a toward the front side in FIG. The conditioned air that has passed through the right differential duct 54b is blown out from the right differential outlet 60b toward the front side of the page in FIG.
  • the left differential duct 54a and the right differential duct 54b are not necessarily arranged symmetrically.
  • the vent duct 52 described in FIG. 1 extends along the vehicle width direction inside the instrument panel 5 and faces the driver's seat at the side edge of the instrument panel 5. Installed in a curved state.
  • the head-up display device 4 is mounted inside the instrument panel 5 of the vehicle 95.
  • the head-up display device 4 is a display device that presents a virtual image in front of the driver's seat for the purpose of improving the driver's visibility.
  • a display image generated inside the head-up display device 4 is shown in FIG. Are projected toward a front window (not shown), and a virtual image is displayed in front of the driver's seat.
  • the head-up display device 4 In order to improve the visibility of the virtual image displayed on the head-up display device 4, it is desirable to enlarge the size of the virtual image and further move the virtual image display position (imaging position) far from the driver's seat. For this purpose, it is necessary to enlarge the size of the head-up display device 4 that includes an optical path forming component that forms an optical system for forming a virtual image.
  • the left-side differential outlet 60a and the right-side differential outlet 60b have a width W1 in the left-right direction limited to be smaller than that of a comparative example described later.
  • the differential outlet 60 reduces the width W1 in the left-right direction only on the side where the head-up display device 4 is provided, and the left-right direction on the side where the head-up display device 4 is not provided.
  • the width may be increased (for example, an existing size) (see width W2 in FIG. 6).
  • the left differential duct 54a is installed inside the instrument panel 5 of the vehicle 95 as shown in FIG. At that time, the left differential outlet 60a is installed in accordance with the opening 5a provided in the upper part of the instrument panel 5, and the conditioned air blown out from the left differential outlet 60a is indicated by an arrow P in FIG. As described above, the wind generated from the oblique lower side with respect to the front window 3 is removed to remove the fog generated inside the front window 3. Note that the left differential duct 54a has a gently curved shape from the vehicle front side (left side in FIG. 4) to the vehicle rear side (right side in FIG. 4) as it goes upward, and from the air conditioning unit 40 (FIG. 1).
  • the blown conditioned air is smoothly guided, and the conditioned air is blown as uniformly as possible from the upper part to the lower part of the front window 3.
  • the right differential duct 54b (FIG. 3) (not shown in FIG. 4) has the same shape as the left differential duct 54a.
  • a first guide surface 62a and a second guide surface 64a having different surface directions are formed on the inner wall surface 61a on the left and right center line X side of the vehicle 95 in the left differential duct 54a. Further, a first guide surface 62b and a second guide surface 64b having different surface directions are formed on the inner wall surface 61b on the right and left center line X side of the vehicle 95 in the right differential duct 54b.
  • the first guide surface 62a has a shape that extends toward the left side in the vehicle width direction as a part of the inner wall surface 61a of the left differential duct 54a advances upward.
  • the first guide surface 62b has a shape extending toward the right side in the vehicle width direction as a part of the inner wall surface 61b of the right differential duct 54b advances upward. Therefore, of the conditioned air that has traveled inside the left differential duct 54a and the right differential duct 54b, the conditioned air guided along the first guide surface 62 (62a, 62b) is leftward in the vehicle width direction from the left differential outlet 60a. It blows out toward the right side in the vehicle width direction from the right differential outlet 60b. Details will be described later.
  • the second guide surface 64 (64a, 64b) is formed so that part of the inner wall surface 61a of the left differential duct 54a and the inner wall surface 61b of the right differential duct 54b are substantially vertically upward.
  • the conditioned air guided along the second guide surface 64 (64a, 64b) is the left differential outlet. From 60a and the right side differential outlet 60b, it blows out toward the vehicle upper direction, respectively.
  • the end edge of the second guide surface 64 (64a, 64b) portion of the differential outlet 60 (60a, 60b) is the left-right center line X rather than the end edge of the first guide surface 62 (62a, 62b) portion.
  • the second guide surface 64 (64a, 64b) intersects the inner wall surfaces 61b, 61b (inner wall) of the differential duct 54 (54a, 54b) curved outward in the vehicle width direction in the vertical direction.
  • the front window 3 is directed to the center upper part or in the opposite direction (inward in the vehicle width direction). Details will be described later.
  • the first guide surface 62 and the second guide surface 64 are provided only on the side where the width W1 in the left-right direction is reduced. (However, of course, it may be provided on the side where the width W2 in the left-right direction is increased).
  • FIG. 6 shows a state in which the differential duct 65 (left differential duct 65a, right differential duct 65b) in the comparative example is mounted on the vehicle 95.
  • This comparative example shows a differential duct 65 mounted on a vehicle 95 on which the head-up display device 4 shown in FIG. 3 is not mounted.
  • the width W2 of the left differential outlet 66c formed at the tip of the left differential duct 65a is larger than the width W1 (FIG. 3) of the left differential outlet 60a in the first embodiment.
  • the size is about twice as large. The same applies to the right differential outlet 66d.
  • the differential outlet 66 (66c, 66d) having a sufficiently large width W2 can be installed, the differential outlet 66 (66c, 66d) is blown out.
  • the conditioned air can be evenly distributed over the entire front window. Accordingly, it is possible to obtain sufficient sunny performance (fogging removal performance) to remove the fogging of the front window.
  • the present Example 1 makes it possible to realize a fine performance equivalent to that of the comparative example even if the differential outlet 60 (60a, 60b) has a small width.
  • the specific operation of the first embodiment will be described with reference to FIGS. 2A, 5A, 5B, and 5C.
  • FIG. 5A is a diagram illustrating a problem when the head-up display device 4, the left differential duct 54a, and the right differential duct 54b are both mounted on the vehicle.
  • FIG. 5B is a diagram for explaining the operation of the first guide surface 62a in the left differential duct 54a and the first guide surface 62b in the right differential duct 54b.
  • FIG. 5C is a diagram for explaining the operation of the first guide surface 62a and the second guide surface 64a in the left differential duct 54a and the first guide surface 62b and the second guide surface 64b in the right differential duct 54b.
  • the inner wall surface 61 a (FIG. 5A) is placed on the left side in the vehicle width direction of the front window 3 in order to blow the conditioned air toward the left outer lower portion 90 a and the right outer lower portion 90 b of the front window 3.
  • the first guide surface 62a is curved toward the first side.
  • the inner wall surface 61b (FIG. 5A) is curved toward the vehicle width direction right side of the front window 3 to form a first guide surface 62b.
  • the inner wall surfaces 61a and 61b face the outside of the front window 3. Therefore, the central upper portion 91 of the front window 3 is air-conditioned compared to FIG. 5A. The area of the area where the wind does not reach further increases.
  • the second guide surface 64a facing the center upper portion 91 of the front window 3 is formed on the inner wall surface 61a (FIG. 5A) together with the first guide surface 62a. Furthermore, the 2nd guide surface 64b which faced the direction of the center upper part 91 of the front window 3 with the 1st guide surface 62b is formed in the inner wall surface 61b (FIG. 5A).
  • the width W1 of the left differential outlet 60a and the right differential outlet 60b is limited to be small by forming two types of surfaces having different directions on the inner wall surfaces 61a and 61b (FIG. 5A).
  • the conditioned air can be uniformly blown over the entire front window 3.
  • the first guide surface 62a and the second guide surface 64a are formed such that the first guide surface 62a is formed on the vehicle front side and the second guide surface 64a is formed on the vehicle rear side.
  • the first guide surface 62b and the second guide surface 64b are formed such that the first guide surface 62b is formed on the vehicle front side and the second guide surface 64b is formed on the vehicle rear side. .
  • the differential air outlet 60 (the left differential air outlet 60a and the right differential air outlet 60b) is formed by shifting the first guide surfaces 62a and 62b and the second guide surfaces 64a and 64b with respect to the vehicle longitudinal direction.
  • the conditioned air toward the left outer lower portion 90a and the right outer lower portion 90b of the front window 3 blows out from the side closer to the front window 3.
  • This conditioned air reaches the left outer lower portion 90a and the right outer lower portion 90b of the front window 3 along the vehicle interior side surface of the front window 3. Accordingly, the conditioned air can be efficiently blown toward the left outer lower portion 90a and the right outer lower portion 90b of the front window 3.
  • the ratio of the width S of the first guide surface 62a to the width T of the second guide surface 64a, and the ratio of the width S of the first guide surface 62b to the width T of the second guide surface 64b are formed.
  • the differential duct 54 (54a, 54b) extends from the left-right center line X of the vehicle 95 in the vehicle width direction of the front window 3.
  • the left differential duct 54a is curved toward the left part
  • the right differential duct 54b is curved from the left / right center line X toward the right part in the vehicle width direction of the front window 3.
  • the second guide surfaces 64 a and 64 b that guide the vehicle to the upper part of the front window 3 are shifted in the longitudinal direction of the vehicle 95. Therefore, even if the width W1 of the differential outlet 60 (60a, 60b) is small, high sunny performance can be obtained from the left and right sides of the front window 3 to the upper part of the front window 3.
  • the first guide surfaces 62a and 62b are formed on the vehicle front side with respect to the second guide surfaces 64a and 64b. Therefore, the conditioned air blown from the differential outlet 60 (the left differential outlet 60a and the right differential outlet 60b) passes along the vehicle interior side surface of the front window 3, and the left outer lower portion 90a and the right outer lower portion of the front window 3. Since 90b and the central upper part 91 are reached, the conditioned air can be efficiently blown over a wide range of the front window 3.
  • the vehicle air conditioner 100 having the vehicle differential duct structure according to the first embodiment it is not necessary to install a partition plate or a blower plate inside the differential duct 54, so that ventilation resistance does not increase and noise is deteriorated. Can be suppressed. Further, since there are no additional parts, it is possible to realize a differential duct structure having high sunny performance without increasing costs. And the edge of the 2nd guide surface 64 (64a, 64b) part in the differential blower outlet 60 (60a, 60b) is the left-right centerline X side rather than the edge of the 1st guide surface 62 (62a, 62b) part. To be located. Thereby, the window clearness of the center upper part of the front window 3 can be improved.
  • the second guide surface 64 (64a, 64b) intersects the inner wall surfaces 61b, 61b (inner wall) of the differential duct 54 (54a, 54b) curved outward in the vehicle width direction in the vertical direction.
  • the front window 3 is directed to the upper center or in the opposite direction (inward in the vehicle width direction). Thereby, the window clearness of the center upper part of the front window 3 can further be improved.

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  • Physics & Mathematics (AREA)
  • Thermal Sciences (AREA)
  • Engineering & Computer Science (AREA)
  • Mechanical Engineering (AREA)
  • Air-Conditioning For Vehicles (AREA)

Abstract

La présente invention permet d'obtenir des performances de désembuage élevées même lorsque la largeur latérale d'un conduit de dégivreur est petite. Ce conduit (54) de dégivreur comporte une section conduit de dégivreur gauche (54a) qui est courbée dans le sens de la largeur du véhicule vers la section gauche d'un pare-brise (3) à partir d'une ligne centrale latérale X d'un véhicule (95) et une section conduit de dégivreur droit (54b) qui est courbée dans le sens de la largeur du véhicule vers la section droite du pare-brise (3) à partir de la ligne centrale latérale X, une première surface de guidage (62a, 62b) destinée à guider l'air conditionné vers une section inférieure du pare-brise (3) le long de la direction de largeur du véhicule et une seconde surface de guidage (64a, 64b) destinée à guider l'air conditionné vers une section supérieure du pare-brise (3) le long de la direction de largeur du véhicule étant disposées, tout en étant déplacées l'une par rapport à l'autre dans la direction avant-arrière du véhicule (95), sur une surface de paroi intérieure côté ligne centrale latérale X (61a, 61b) de la section conduit de dégivreur gauche (54a) et/ou de la section conduit de dégivreur droite (54b).
PCT/JP2016/076444 2015-09-16 2016-09-08 Structure de conduit de dégivreur pour véhicule WO2017047493A1 (fr)

Priority Applications (1)

Application Number Priority Date Filing Date Title
US15/756,915 US20180251012A1 (en) 2015-09-16 2016-09-08 Vehicular defroster duct structure

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
JP2015-183055 2015-09-16
JP2015183055A JP2017056832A (ja) 2015-09-16 2015-09-16 車両用デフダクト構造

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JP7115901B2 (ja) * 2018-04-27 2022-08-09 豊和化成株式会社 デフロスタ
JP7094138B2 (ja) * 2018-04-27 2022-07-01 豊和化成株式会社 デフロスタ
US11225123B2 (en) * 2019-08-16 2022-01-18 Denso International America, Inc. HVAC case
JP7268587B2 (ja) * 2019-11-29 2023-05-08 トヨタ自動車株式会社 デフロスタ構造

Citations (2)

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Publication number Priority date Publication date Assignee Title
JP2009196606A (ja) * 2008-02-25 2009-09-03 Calsonic Kansei Corp フロントデフロスタ部構造
JP2015003605A (ja) * 2013-06-20 2015-01-08 豊田合成株式会社 フロントデフロスタノズル装置

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Publication number Priority date Publication date Assignee Title
JPS6283710U (fr) * 1985-11-18 1987-05-28
JP4866643B2 (ja) * 2006-03-31 2012-02-01 カルソニックカンセイ株式会社 デフロスタ用送風ダクト
JP2015058723A (ja) * 2013-09-17 2015-03-30 ダイハツ工業株式会社 車両用デフロスタ装置

Patent Citations (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JP2009196606A (ja) * 2008-02-25 2009-09-03 Calsonic Kansei Corp フロントデフロスタ部構造
JP2015003605A (ja) * 2013-06-20 2015-01-08 豊田合成株式会社 フロントデフロスタノズル装置

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US20180251012A1 (en) 2018-09-06

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